"Impound" means to seize or confiscate something, usually by a legal authority. It involves taking possession of an item or animal and keeping it in a secure place until further action is taken or a legal resolution is reached. Full definition
When the lease is setup in this manner, the lender will usually be able to waive impound accounts for property taxes and insurance. (nreionline.com)
In spite of the easy refutation of the anti-purebred litanies, breeders are on the defensive, especially in those areas where active animal rights proponents are working for laws that penalize owners of intact dogs with large license differentials, special breeding permits, advertising restrictions, litter limits, and even forced sterilization of dogs impounded for running at large. (naiaonline.org)
Indeed, more than 60 % of the animals impounded in California shelters die there. (solanoferals.org)